The 2012 Chevy Impala generally requires 5W-30 Dexos1-certified motor oil, with about 4.5 to 5 quarts depending on the engine. Always check the owner's manual or the under-hood label for your exact specification and capacity.
Engine options in the 2012 Impala
The model year offered two gasoline V6 engines. The oil specification remains the same across engines, but the oil capacity varies by which engine you have.
- 3.5L V6 engine
- 3.9L V6 engine (optional in some trims)
Always confirm your exact engine and capacity on the label under the hood or in the owner's manual, as trims and markets can vary.
Oil type and specifications
Use motor oil that is Dexos1-certified with a viscosity of 5W-30 for most climates and operating conditions.
- Viscosity: 5W-30
- Certification: Dexos1 (Gen 1 or Gen 2 as applicable)
- Oil type: Synthetic blend or full synthetic
If Dexos1-certified oil isn’t available, consult the owner's manual for approved alternatives, but Dexos1-certified oil is strongly recommended to protect the engine and warranty.
Oil capacity and maintenance notes
Oil capacity depends on the engine. Typical ranges are:
- 3.5L V6: about 4.5 quarts
- 3.9L V6: about 5.0 quarts
Always fill to the correct dipstick level after an oil change and follow GM's maintenance interval guidelines for oil changes, which vary by oil type and driving conditions.
How to verify the right oil for your car
Use these sources to confirm the exact specification for your vehicle:
- Owner's manual
- Under-hood oil label
- GM official service information or your dealership
When in doubt, contact a certified technician or dealership to confirm the exact oil specification for your 2012 Impala’s engine and trim level.
Summary
The 2012 Chevy Impala typically uses 5W-30 Dexos1-certified motor oil, with an approximate capacity of 4.5 to 5 quarts depending on the engine (3.5L vs 3.9L). Always verify exact requirements on the owner's manual or vehicle labels and follow GM's recommended change intervals.


